ICS Nav6plus, User Manual

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NAV6 plus NAVTEX System User Guide
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MAINTENANCE AND TROUBLE SHOOTING
MAINTENANCE AND TROUBLE SHOOTING MAINTENANCE AND TROUBLE SHOOTING
MAINTENANCE AND TROUBLE SHOOTING
Cleaning Cleaning Cleaning Cleaning
The NAV6 NAVTEX System may be cleaned when necessary by wiping
with a cloth dampened with fresh water. Do not use solvents.
Fault Finding
Fault Finding Fault Finding
Fault Finding
Fault Possible cause
LCD blank, RED LED
On Green wire connected to 12V
Disconnect green wire – it should not be
connected other than for programming
LCD blank, RED LED
off No power
Check that 12V is connected to RED wire and
0V to its BLACK pair
RED LED flashing with
a period of 2 seconds.
Display not operating. Low voltage
There is insufficient voltage supplying the
display
RED LED flashing with
a period of 15 seconds.
Display not operating. Sleep Mode
Press any key to activate the display
No NAVTEX messages
received (in view)
No NAVTEX channel selected; see ‘No 518 or
490 icon on the status line’ below.
Check you are in range of a NAVTEX station.
Check message age limit setting, decreases
age limit to bring older messages into view.
Check for SIG or ERR on status line; see
below.
•
No error icon, refer to Appendix VI.
SIG on status line
(signal fault) •
If this icon appears for short periods –
don’t worry – it’s caused by one or more
NAVTEX stations transmitting carrier but
no modulation, or by local interference.
•
If this icon persists then you may have a
receiver error or interference from nearby
equipment.
Check for possible causes. Identify the local
source of interference by turning off items of
equipment (e.g. battery charger) until the SIG
icon is cleared
No 518 or 490 icon on
the status line
(no channel selected) Check that one or both NAVTEX channels are
selected, if it’s not possible to select a channel
the sensor is unavailable, refer to ERR below.